Explanation Given: After 1 year, the total interest is $ 508 and total invested amount initially is $ 4000 . Some part at 12 % interest and the rest at 14 % interest. Formula used: Write the simple interest formula. I = P × R × T 100 Here, I is the simple interest, P is the principle amount, R is the rate of interest and T is the time invested in years. Calculation: Let x be the amount invested at 12 % interest rate and y be the amount invested at 14 % interest rate. So, according to the question. x + y = 4000 Write the above equation as: y = 4000 − x …...…... (1) The interest at x amount invested at 12 % interest rate. I x = P × R × T 100 Here, I x is the interest at x amount. Substitute x for P , 12 for R and 1 for T . I x = x × 12 × 1 100 = 12 x 100 …...…... (2) The interest at y amount invested at 14 % interest rate. I y = P × R × T 100 Here, I y is the interest at y amount. Substitute y for P , 14 for R and 1 for T . I y = y × 14 × 1 100 = 14 y 100 …...…... (3) Now, according to question total interest is $ 508 , therefore, I x + I y = 508 Substitute 12 x 100 for I x and 14 y 100 for I y

MYLAB MATH FOR INTERMEDIATE ALGEBRA 18WK

8th Edition

ISBN: 9780136418306

Author: Tobey

Publisher: PEARSON

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Chapter 11, Problem 11PFE

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To calculate: How much was invested at each interest rate when after 1 year the total interest is $508 and total amount invested initially is $4000. Some part at 12% interest and the rest at 14% interest.

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Chapter 11, Problem 10PFE

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Chapter 11 Solutions

MYLAB MATH FOR INTERMEDIATE ALGEBRA 18WK

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Ch. 11.1 - Prob. 11E Ch. 11.1 - Prob. 12E Ch. 11.1 - Prob. 13E Ch. 11.1 - Graph each function. f ( x ) = 2 x − 4 Ch. 11.1 - Prob. 15E Ch. 11.1 - Prob. 16E Ch. 11.1 - Prob. 17E Ch. 11.1 - Prob. 18E Ch. 11.1 - Prob. 19E Ch. 11.1 - Prob. 20E Ch. 11.1 - Prob. 21E Ch. 11.1 - Prob. 22E Ch. 11.1 - Prob. 23E Ch. 11.1 - Prob. 24E Ch. 11.1 - Prob. 25E Ch. 11.1 - Prob. 26E Ch. 11.1 - Prob. 27E Ch. 11.1 - Prob. 28E Ch. 11.1 - Prob. 29E Ch. 11.1 - Prob. 30E Ch. 11.1 - Prob. 31E Ch. 11.1 - Prob. 32E Ch. 11.1 - Prob. 33E Ch. 11.1 - Prob. 34E Ch. 11.1 - Prob. 35E Ch. 11.1 - Prob. 36E Ch. 11.1 - Prob. 37E Ch. 11.1 - Prob. 38E Ch. 11.1 - Prob. 39E Ch. 11.1 - Prob. 40E Ch. 11.1 - Prob. 41E Ch. 11.1 - Prob. 42E Ch. 11.1 - Prob. 43E Ch. 11.1 - Prob. 44E Ch. 11.1 - Prob. 45E Ch. 11.1 - Prob. 46E Ch. 11.1 - Use an exponential equation to solve each problem....Ch. 11.1 - Use an exponential equation to solve each problem....Ch. 11.1 - Prob. 49E Ch. 11.1 - Prob. 50E Ch. 11.1 - Prob. 51E Ch. 11.1 - Prob. 52E Ch. 11.1 - Prob. 53E Ch. 11.1 - Prob. 54E Ch. 11.1 - Prob. 55E Ch. 11.1 - World Population Since the year 1750, the...Ch. 11.1 - Prob. 57E Ch. 11.1 - Prob. 58E Ch. 11.1 - Prob. 1QQ Ch. 11.1 - Prob. 2QQ Ch. 11.1 - Prob. 3QQ Ch. 11.1 - Prob. 4QQ Ch. 11.2 - Prob. 1E Ch. 11.2 - Prob. 2E Ch. 11.2 - Verbal and Writing Skills, Exercises 1-4 In the...Ch. 11.2 - Prob. 4E Ch. 11.2 - Prob. 5E Ch. 11.2 - Prob. 6E Ch. 11.2 - Prob. 7E Ch. 11.2 - Prob. 8E Ch. 11.2 - Prob. 9E Ch. 11.2 - Prob. 10E Ch. 11.2 - Prob. 11E Ch. 11.2 - Prob. 12E Ch. 11.2 - Prob. 13E Ch. 11.2 - Prob. 14E Ch. 11.2 - Prob. 15E Ch. 11.2 - Prob. 16E Ch. 11.2 - Prob. 17E Ch. 11.2 - Prob. 18E Ch. 11.2 - Prob. 19E Ch. 11.2 - Prob. 20E Ch. 11.2 - Prob. 21E Ch. 11.2 - Prob. 22E Ch. 11.2 - Prob. 23E Ch. 11.2 - Prob. 24E Ch. 11.2 - Prob. 25E Ch. 11.2 - Prob. 26E Ch. 11.2 - Prob. 27E Ch. 11.2 - Prob. 28E Ch. 11.2 - Prob. 29E Ch. 11.2 - Prob. 30E Ch. 11.2 - Prob. 31E Ch. 11.2 - Prob. 32E Ch. 11.2 - Prob. 33E Ch. 11.2 - Prob. 34E Ch. 11.2 - Prob. 35E Ch. 11.2 - Prob. 36E Ch. 11.2 - Prob. 37E Ch. 11.2 - Prob. 38E Ch. 11.2 - Prob. 39E Ch. 11.2 - Prob. 40E Ch. 11.2 - Prob. 41E Ch. 11.2 - Prob. 42E Ch. 11.2 - Prob. 43E Ch. 11.2 - Prob. 44E Ch. 11.2 - Prob. 45E Ch. 11.2 - Prob. 46E Ch. 11.2 - Prob. 47E Ch. 11.2 - Prob. 48E Ch. 11.2 - Prob. 49E Ch. 11.2 - Prob. 50E Ch. 11.2 - Prob. 51E Ch. 11.2 - Prob. 52E Ch. 11.2 - Prob. 53E Ch. 11.2 - Prob. 54E Ch. 11.2 - Prob. 55E Ch. 11.2 - Prob. 56E Ch. 11.2 - Prob. 57E Ch. 11.2 - Prob. 58E Ch. 11.2 - Prob. 59E Ch. 11.2 - Prob. 60E Ch. 11.2 - Prob. 61E Ch. 11.2 - Prob. 62E Ch. 11.2 - On one coordinate plane, graph the function f and...Ch. 11.2 - Prob. 64E Ch. 11.2 - Prob. 65E Ch. 11.2 - Prob. 66E Ch. 11.2 - Prob. 67E Ch. 11.2 - Prob. 68E Ch. 11.2 - Prob. 69E Ch. 11.2 - Prob. 70E Ch. 11.2 - Prob. 71E Ch. 11.2 - Prob. 72E Ch. 11.2 - Prob. 73E Ch. 11.2 - Prob. 74E Ch. 11.2 - Prob. 75E Ch. 11.2 - Cumulative Review [3.2.1] Find the slope of the...Ch. 11.2 - Cumulative Review [11.1.3] Viral Culture The...Ch. 11.2 - Prob. 78E Ch. 11.2 - Prob. 1QQ Ch. 11.2 - Prob. 2QQ Ch. 11.2 - 3. 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How much was invested at each interest rate when after 1 year the total interest is $ 508 and total amount invested initially is $ 4000 . Some part at 12 % interest and the rest at 14 % interest.

Solution Summary: The author calculates how much was invested at each interest rate after 1 year.

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To calculate: How much was invested at each interest rate when after 1 year the total interest is $508 and total amount invested initially is $4000. Some part at 12% interest and the rest at 14% interest.

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Chapter 11 Solutions